Donald TrumpAndrii SybihaMoon Seong MookKim Yo JongLee Jae MyungLeif-Eric EasleyKim Jong UnEwha UniversityKorea Research Institute for National Strategy

South Korea threatens punitive steps against Ukraine over POW transfer disclosure; Seoul's anger may stem from worries about ties to North Korea

South Korea's president threatened punitive measures against Ukraine over a disclosure regarding the transfer of North Korean soldiers, which Seoul claims violated a nondisclosure agreement. The diplomatic spat raises concerns about South Korea's relations with North Korea amid ongoing efforts to improve dialogue with Pyongyang.

AP News2 October 2026 · 17:26 UTC
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South Korea's president Lee Jae Myung has threatened unspecified punitive actions against Ukraine if it does not apologize for disclosing the transfer of North Korean soldiers, which Seoul claims violated a nondisclosure agreement.

The diplomatic dispute escalated after Ukrainian President Volodymyr Zelenskyy mentioned the transfer during his U.N. speech, prompting South Korea to protest vehemently.

Lee accused Ukraine of making him look like “a liar” for contradicting his earlier statements regarding the nondisclosure agreement. He stated, “This is a matter of national dignity ... so we can’t overlook it.”

The transfer of North Korean soldiers could complicate South Korea's efforts to engage in dialogue with Pyongyang, as North Korea has historically reacted negatively to such defections.

Analysts suggest that despite the harsh rhetoric, South Korea is unlikely to take drastic measures against Ukraine, as maintaining good relations with Kyiv aligns with its national interests and partnerships with Western nations.

South Korea has provided $445 million in humanitarian assistance to Ukraine since 2022, and in July, Lee pledged an additional $100 million during a meeting with Zelenskyy at the NATO summit.1213

However, South Korea has refrained from sending weapons to Ukraine, adhering to its policy of not supplying arms to countries engaged in conflict.

“Our government’s policy is restoring severed dialogue with North Korea and easing tensions,” said Moon Seong Mook, an analyst at the Korea Research Institute for National Strategy.

The situation remains delicate as recent mine explosions at the Korean border have further strained relations, with South Korea demanding an apology from North Korea for the incidents.

Key Insight
“Seoul has provided $445 million in humanitarian aid to Ukraine since 2022, but has refrained from sending weapons, and experts say drastic measures are unlikely. The transfer could complicate Seoul's push for talks with Pyongyang, as North Korea has reacted with fury to past defections.”
CuriousCats studied:
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“SEOUL, South Korea (AP) — South Korea’s president threatened Friday to take unspecified punitive steps against Ukraine if it refuses to apologize over its of a supposedly secret transfer of two to South Korea.”
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